I am using fyers newly via java. Need help in generating auth code systematically. Everyday it is asking pin for first time to generate code as a result unable to automate it via program. Suggestion needed for systematic generation to avoid manual auth code generation. Using this end point: https://api.fyers.in/api/v2/generate-authcode?client_id=OF0YF9F6VX-100&redirect_uri=http://127.0.0.1:5000/&response_type=code&state=sample